Mich. Comp. Laws § 691.1136: Recognition of foreign-country judgment; raising action as original matter; raising action by counterclaim, cross-claim, or affirmative defense.

Sec. 6.

(1) If recognition of a foreign-country judgment is sought as an original matter, the issue of recognition shall be raised by filing an action seeking recognition of the foreign-country judgment.

(2) If recognition of a foreign-country judgment is sought in a pending action, the issue of recognition may be raised by counterclaim, cross-claim, or affirmative defense.